SecureGovChain – AI‑Secured Government Contract Ledger

AI‑driven legitimacy classifier + permissioned blockchain for U.S. federal contracts.

Features

• ML Risk Engine – RandomForest (≥ 95 % accuracy) with SHAP explanations.
• Tamper‑evident Ledger – SHA‑256 hash chain + cryptographic watermark.
• REST API – FastAPI, OpenAPI docs at /docs.
• Compliance – Watermarks, audit logs, FAR/DFARS ready.

Quick Start

git clone https://github.com/fmmido/SecureGovChain.git
cd SecureGovChain
python -m venv .venv && source .venv/bin/activate
pip install -r requirements.txt

# Train the model (once)
python -c "from src.ai.model import train_and_save; import pandas as pd; df = pd.read_csv('data/sample_contracts.csv'); train_and_save(df)"

# Run API
uvicorn src.api.main:app --reload